/*
 * Copyright 2018 Qunar, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package qunar.tc.qmq.utils;

import java.lang.management.ManagementFactory;
import java.lang.management.RuntimeMXBean;

public class PidUtil {
    public static int getPid() {
        try {
            RuntimeMXBean runtime = ManagementFactory.getRuntimeMXBean();
            String name = runtime.getName(); // format: "pid@hostname"
            return Integer.parseInt(name.substring(0, name.indexOf('@')));
        } catch (Throwable e) {
            return 0;
        }
    }
}
